Samsung Galaxy J7 Duo has Android 8.0 ( Oreo ) , It offers an internal memory of 32 GB with 4 GB RAM , It presents a screen of HD resolution , It comes with battery capacity of 3000 mAh .

---

Samsung Galaxy J7 Duo specifications

General

6427 Announce date : April , 2018
6427 Release date : April , 2018
6427 Height × Width : 153.5 mm x 77.2 mm ( 6.04 x 3.04 in )
6427 Thickness : 8.2 mm ( 0.32 in ) [ The average in this size : 8.2 mm ]
6427 Weight : 174 g ( 6.14 oz ) [ The average in this size : 170 g ]
6427 SIM : Single SIM ( Micro-SIM ) or Dual SIM ( Micro-SIM , dual stand-
6427 by )
6427 Colours : Black , Gold

---

Display

6427 Display type : Super AMOLED capacitive touchscreen , 16M colors
6427 Screen size : 5.5 inches ( ~70.4% screen-to-body ratio ) [ The average in
6427 market : 5.2 inches ]
6427 Resolution : 720 x 1280 pixels [ HD resolution ]
6427 Pixel density : ( ~267 ppi pixel density ) [ The average in this size : 367 ppi
6427 pixel density ]
6427 Multitouch feature :   yes

---

Camera & Video

6427 Rear camera : Dual : 13 MP (f/1.9) + 5 MP (f/1.9) , autofocus , LED
6427 flash [ The average in this size : 13 MP ]
6427 Camera features : Geo-tagging , touch focus , face detection , HDR ,
6427 panorama
6427 Video : 1080p@30fps [ Full HD video ]
6427 Front camera : 8 MP (f/1.9) , LED flash [ The average in this size : 8 MP ]

---

Memory

6427 Expandable memory : Card slot microSD , up to 256 GB ( dedicated
6427 slot )
6427 Internal Memory : 32 GB [ The average in this size : 40 GB ]
6427 RAM : 4 GB RAM [ The average in this size : 3 GB RAM ]

---

Battery

6427 Battery type : Removable Li-Ion
6427 Battery capacity : 3000 mAh [ The average in this size : 3300 mAh ]

---

Platform

6427 Operating System : Android 8.0 ( Oreo )
6427 Chipset : Exynos 7870 Octa
6427 Processor : Octa-core 1.6 GHz Cortex-A53
6427 Graphics : Mali-T830MP1

---

Network

6427 2G bands : GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2 ( dual-SIM
6427 model only )
6427 3G bands : HSDPA 850 / 900 / 1900 / 2100
6427 4G bands : LTE
6427 Speed : HSPA , LTE Cat4 150/50 Mbps
6427 GPRS :   yes
6427 EDGE :   yes

---

Sound

6427 Alert types : Vibration , MP3 , WAV ringtones
6427 Loudspeaker :   yes
6427 3.5 mm jack :   yes

---

CONNECTIVITY

6427 WLAN : Wi-Fi 802.11 a/b/g/n/ac , dual-band , Wi-Fi Direct , hotspot
6427 Bluetooth : 4.2 , A2DP , LE
6427 GPS :   yes , with A-GPS , GLONASS , BDS
6427 USB :   yes
6427 Radio : FM radio

---

Features

6427 Sensors : Fingerprint (front-mounted) , Accelerometer , Proximity ,
6427 Ambient light sensor
6427 Messaging : SMS ( threaded view ) , MMS , Email , Push Mail , IM
6427 Browser HTML5 :   yes
6427 ANT+ support :   yes
6427 MP3/WAV/WMA/eAAC+/FLAC player :   yes
6427 MP4/WMV/H.264 player :   yes
6427 Document viewer :   yes
6427 Photo/video editor :   yes

---

Samsung Galaxy J7 Duo disadvantages

6427 Java :   No
6427 NFC :   No
6427 Protection for the screen :   No
6427 Water & Dust resistant :   No
6427 Barometer sensor :   No
6427 Temperature sensor :   No
6427 Compass sensor :   No
6427 Active noise cancellation with dedicated mic :   No
6427 Fast battery charging :   No

---

6427 *** [ The averages are calculated for all phones released in 2016 & 2017
6427 ( for each size alone ) ]